Python 同时读取多个.csv文件
我试图通过循环从两个不同的.csv文件中读取值。我能够在打开一个.csv文件时完美地运行程序;然而,当我导入第二个.csv文件时,我得到一个如下所述的错误:Python 同时读取多个.csv文件,python,csv,for-loop,with-statement,Python,Csv,For Loop,With Statement,我试图通过循环从两个不同的.csv文件中读取值。我能够在打开一个.csv文件时完美地运行程序;然而,当我导入第二个.csv文件时,我得到一个如下所述的错误: 回溯(最近一次呼叫最后一次): 文件“C:\Users\crteeic\Desktop\Project\Full Program(Testing).py”,第210行,在 将open('MagnaDC Set Points.csv','r')和('Amatek Set Points.csv','r')作为csvfile: Attribut
回溯(最近一次呼叫最后一次): 文件“C:\Users\crteeic\Desktop\Project\Full Program(Testing).py”,第210行,在 将open('MagnaDC Set Points.csv','r')和('Amatek Set Points.csv','r')作为csvfile: AttributeError:输入 该程序的目的是从两个.csv文件中读取值,并将这些值发送到两个不同的电源。请查找以下代码:
with open('MagnaDC Set Points.csv', 'r') and ('Amatek Set Points.csv', 'r') as csvfile:
dataset = csv.reader(csvfile, delimiter=',')
next(dataset)
rows = list(dataset)
inputSamplesm = np.empty([len(rows), 2], dtype=float)
outputSamplesm = np.empty([1,3], dtype=float)
inputSamplesa = np.empty([len(rows), 2], dtype=float)
outputSamplesa = np.empty([1,3], dtype=float)
testStartTime = time.time()
for idx, data in enumerate(rows):
inputSamplesm[idx] = [data[0], data[1]]
inputSamplesa[idx] = [data[0], data[1]]
s.sendall('VOLT {0}\n'.format(data[0]).encode('utf-8'))
conn.write('VOLT {0}\n'.format(data[0]).encode('utf-8'))
stopTime = testStartTime + int(data[1])
请给我一些建议。谢谢。您需要单独打开文件:
with open('MagnaDC Set Points.csv', 'r') as csvfile1, open('Amatek Set Points.csv', 'r') as csvfile2:
更多信息:
您需要单独打开文件:
with open('MagnaDC Set Points.csv', 'r') as csvfile1, open('Amatek Set Points.csv', 'r') as csvfile2:
更多信息:
如果您只想连续读取并发送这两个文件,请在文件名上循环:
filenames = [
"MagnaDC Set Points.csv",
"Amatek Set Points.csv",
]
for filename in filenames:
with open(filename, "r") as csvfile:
dataset = csv.reader(csvfile, delimiter=",")
next(dataset)
rows = list(dataset)
inputSamplesm = np.empty([len(rows), 2], dtype=float)
outputSamplesm = np.empty([1, 3], dtype=float)
inputSamplesa = np.empty([len(rows), 2], dtype=float)
outputSamplesa = np.empty([1, 3], dtype=float)
testStartTime = time.time()
for idx, data in enumerate(rows):
inputSamplesm[idx] = [data[0], data[1]]
inputSamplesa[idx] = [data[0], data[1]]
s.sendall("VOLT {0}\n".format(data[0]).encode("utf-8"))
conn.write("VOLT {0}\n".format(data[0]).encode("utf-8"))
stopTime = testStartTime + int(data[1])
如果要串行读取并发送这两个文件,请循环文件名:
filenames = [
"MagnaDC Set Points.csv",
"Amatek Set Points.csv",
]
for filename in filenames:
with open(filename, "r") as csvfile:
dataset = csv.reader(csvfile, delimiter=",")
next(dataset)
rows = list(dataset)
inputSamplesm = np.empty([len(rows), 2], dtype=float)
outputSamplesm = np.empty([1, 3], dtype=float)
inputSamplesa = np.empty([len(rows), 2], dtype=float)
outputSamplesa = np.empty([1, 3], dtype=float)
testStartTime = time.time()
for idx, data in enumerate(rows):
inputSamplesm[idx] = [data[0], data[1]]
inputSamplesa[idx] = [data[0], data[1]]
s.sendall("VOLT {0}\n".format(data[0]).encode("utf-8"))
conn.write("VOLT {0}\n".format(data[0]).encode("utf-8"))
stopTime = testStartTime + int(data[1])
谢谢它工作得很好。谢谢!它工作得很好。谢谢你的帮助!谢谢你的帮助!